76438740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{181997}}^1$

素因数の和:182016

約数の個数: 48

約数和(自身を含む): 244605312

約数和(自身を除く): 168166572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 181997, 363994, 545991, 727988, 909985, 1091982, 1273979, 1819970, 2183964, 2547958, 2729955, 3639940, 3821937, 5095916, 5459910, 6369895, 7643874, 10919820, 12739790, 15287748, 19109685, 25479580, 38219370, 76438740]

約数ペア:

[(1, 76438740), (2, 38219370), (3, 25479580), (4, 19109685), (5, 15287748), (6, 12739790), (7, 10919820), (10, 7643874), (12, 6369895), (14, 5459910), (15, 5095916), (20, 3821937), (21, 3639940), (28, 2729955), (30, 2547958), (35, 2183964), (42, 1819970), (60, 1273979), (70, 1091982), (84, 909985), (105, 727988), (140, 545991), (210, 363994), (420, 181997)]